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/**
* Creates a new instance of `Element`.
*
* `Element` binds DOM element in browser context with virtual element in test.
*
* @class
* @name Element
* @arg {string} name - Element name.
* @arg {object} selector - CSS selector of DOM element.
* @arg {Page} page - Page with element.
*/
const _ = require("lodash");
var weak = require("weak");
var U = require("glace-utils");
var CONF = require("../config");
var PointerEvents = require("./event");
const utils = require("../utils");
var Element = function (name, selector, page) {
this.name = name;
this.selector = selector;
this._event = new PointerEvents(selector, page);
this._page = weak(page);
this._elCmd = utils.getElementCommand(selector);
this._elsCmd = utils.getElementsCommand(selector);
this._webdriver = null;
};
/**
* Helper to get webdriver.
*
* @method
* @return {object} webdriver instance
*/
Element.prototype._getDriver = function () {
if (!this._webdriver) {
this._webdriver = this._page.getDriver();
};
return this._webdriver;
};
/**
* Gets webdriver element.
*
* @async
* @method
* @return {Promise<object>} Webdriver element.
*/
Element.prototype.getElement = function () {
return this._getDriver().element(this.selector);
};
/**
* Gets webdriver elements.
*
* @async
* @method
* @return {Promise<array<object>>} Webdriver elements.
*/
Element.prototype.getElements = function () {
return this._getDriver().elements(this.selector);
};
/**
* Gets count of elements in browser.
*
* @async
* @method
* @return {Promise<integer>} Count of elements
*/
Element.prototype.getCount = async function () {
const cmd = `return ${this._elsCmd}.length`;
return this._getDriver().execute(cmd).then(result => result.value);
};
/**
* Gets text content of DOM element.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @return {Promise<string>} Text value or null.
*/
Element.prototype.getText = async function (opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
Iif (!now) {
await this.waitForVisible(opts.timeout);
};
var value = await this._getDriver().getText(this.selector);
if (!_.isEmpty(value)) return utils.clearElementText(value);
value = await this._getDriver().getAttribute(this.selector, "value");
if (!_.isEmpty(value)) return utils.clearElementText(value);
value = await this._getDriver().getAttribute(this.selector, "innerHTML");
if (!_.isEmpty(value)) return utils.clearElementText(value);
return null;
};
/**
* Sets text to DOM element.
*
* @async
* @method
* @arg {string} text - Text value to assign.
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @arg {boolean} [opts.scroll=true] - Scroll to element.
* @arg {boolean} [opts.enter=false] - Send `Enter` after text.
* @return {Promise}
*/
Element.prototype.setText = async function (text, opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
var scroll = U.defVal(opts.scroll, true);
const enter = U.defVal(opts.enter, false);
Eif (scroll) {
await this.scrollIntoView(opts);
} else if (!now) {
await this.waitForVisible(opts.timeout);
};
if (enter) text += "\n";
await this._getDriver().setValue(this.selector, text);
};
/**
* Gets DOM element location with attributes:
* `x`, `y`, `midX`, `midY`, `width`, `height`.
*
* @async
* @method
* @return {Promise<object>} Location of element.
*/
Element.prototype.location = function () {
var cmd = ` \
var ctrl = ${this._elCmd}; \
var rect = ctrl.getBoundingClientRect(); \
var location = {}; \
location.x = Math.ceil(rect.left); \
location.y = Math.ceil(rect.top); \
location.width = Math.ceil(rect.width); \
location.height = Math.ceil(rect.height); \
location.midX = Math.ceil(location.x + location.width / 2); \
location.midY = Math.ceil(location.y + location.height / 2); \
return location;`;
return this._getDriver().execute(cmd).then(result => result.value);
};
/**
* Scrolls element into browser viewport.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @return {Promise}
*/
Element.prototype.scrollIntoView = async function (opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
if (!now) {
await this.waitForVisible(opts.timeout);
};
var cmd = "return " + this._elCmd + ".scrollIntoView();";
await this._getDriver().execute(cmd);
};
/**
* Clicks element in browser.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @arg {boolean} [opts.scroll=true] - Scroll to element.
* @return {Promise}
*/
Element.prototype.click = async function (opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
var scroll = U.defVal(opts.scroll, true);
Eif (scroll) {
await this.scrollIntoView(opts);
} else if (!now) {
await this.waitForVisible(opts.timeout);
};
await this._getDriver().click(this.selector);
};
/**
* Clicks element in browser via pointer events.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @arg {boolean} [opts.scroll=true] - Scroll to element.
* @return {Promise}
*/
Element.prototype.pClick = async function (opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
var scroll = U.defVal(opts.scroll, true);
Eif (scroll) {
await this.scrollIntoView(opts);
} else if (!now) {
await this.waitForVisible(opts.timeout);
};
var loc = await this.location();
await this._event.move(loc.midX, loc.midY);
await this._event.down(loc.midX, loc.midY);
await this._event.up(loc.midX, loc.midY);
};
/**
* Taps element in browser.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @arg {boolean} [opts.scroll=true] - Scroll to element.
* @return {Promise}
*/
Element.prototype.tap = Element.prototype.click;
/**
* Defines whether element is selected or no.
*
* @async
* @method
* @arg {object} [opts] - Options.
* @arg {boolean} [opts.now=false] - Make it immediately.
* @arg {?number} [opts.timeout] - Time to wait for element visibility, sec.
* @return {Promise<boolean>} `true` if element is selected, `false` otherwise.
*/
Element.prototype.isSelected = async function (opts) {
opts = U.defVal(opts, {});
var now = U.defVal(opts.now, false);
Iif (!now) {
await this.waitForVisible(opts.timeout);
};
var result = await this._getDriver().isSelected(this.selector);
if (result) return true;
result = await this._getDriver().getAttribute(this.selector, "class");
return result.includes("selected");
};
/**
* Defines whether element is exist or no.
*
* @async
* @method
* @return {Promise<boolean>} `true` if element is exist, `false` otherwise.
*/
Element.prototype.isExist = function () {
var cmd = "return !!" + this._elCmd + ";";
return this._getDriver().execute(cmd).then(result => result.value);
};
/**
* Waits for element is exist.
*
* @async
* @method
* @arg {number} [timeout] - Timeout to wait, sec.
* @return {Promise}
* @throws {TimeoutError} If element doesn't exist after timeout.
*/
Element.prototype.waitForExist = function (timeout) {
timeout = U.defVal(timeout, CONF.web.uiTimeout) * 1000;
var errMsg = `${this.name} (${this.selector}) doesn't exist after ${timeout}s`;
return this._getDriver().waitUntil(async () => {
return await this.isExist();
}, timeout, errMsg);
};
/**
* Waits for element isn't exist.
*
* @async
* @method
* @arg {number} [timeout] - Timeout to wait, sec.
* @return {Promise}
* @throws {TimeoutError} If element is still exist after timeout.
*/
Element.prototype.waitForNonExist = function (timeout) {
timeout = U.defVal(timeout, CONF.web.uiTimeout) * 1000;
var errMsg = `${this.name} (${this.selector}) still exists after ${timeout}s`;
return this._getDriver().waitUntil(async () => {
return !(await this.isExist());
}, timeout, errMsg);
};
/**
* Defines whether element is visible or no.
*
* @method
* @return {Promise<boolean>} `true` if element is visible, `false` otherwise.
*/
Element.prototype.isVisible = function () {
return this.isExist().then(result => {
Iif (!result) return false;
return this._getDriver().isVisible(this.selector);
});
};
/**
* Waits for element is visible.
*
* @async
* @method
* @arg {number} [timeout] - Timeout to wait, sec.
* @return {Promise}
* @throws {TimeoutError} If element isn't visible after timeout.
*/
Element.prototype.waitForVisible = function (timeout) {
timeout = U.defVal(timeout, CONF.web.uiTimeout) * 1000;
var errMsg = `${this.name} (${this.selector}) isn't visible ` +
`after ${timeout}s`;
return this._getDriver().waitUntil(async () => {
return await this.isVisible();
}, timeout, errMsg);
};
/**
* Waits for element is invisible.
*
* @async
* @method
* @arg {number} [timeout] - Timeout to wait, sec.
* @return {Promise}
* @throws {TimeoutError} If element is still visible after timeout.
*/
Element.prototype.waitForInvisible = function (timeout) {
timeout = U.defVal(timeout, CONF.web.uiTimeout) * 1000;
var errMsg = `${this.name} (${this.selector}) is still visible after ${timeout}s`;
return this._getDriver().waitUntil(async () => {
return !(await this.isVisible());
}, timeout, errMsg);
};
/**
* Clones element with custom properties.
*
* @async
* @method
* @arg {object} [opts] - Clone options.
* @arg {string} [opts.name] - Element name.
* @arg {object} [opts.selector] - CSS selector of DOM element.
* @arg {Page} [opts.page] - Page with element.
* @return {Element} Cloned element.
*/
Element.prototype.clone = function (opts = {}) {
const name = U.defVal(opts.name, this.name);
const selector = U.defVal(opts.selector, this.selector);
const page = U.defVal(opts.page, weak.get(this._page));
return new this.constructor(name, selector, page);
};
module.exports = Element;
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